Sonographic Diagnosis Of Posterior Interosseous Nerve Entrapment Syndrome

Ong, Charlene; Nallamshetty, Hema S.; Nazarian, Levon N.; Rekant, Mark S.; Mandel, Steven

doi:10.2484/rcr.v2i1.67

Cited by 10 publications

(10 citation statements)

References 7 publications

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“…The compressive neuropathy of the deep motor branch of the radial nerve (posterior interosseous nerve, PIN) is usually located in the supinator muscle . The most common cause is the repetitive overuse of the forearm (repetitive pronation‐supination or flexion‐extension) . In these cases, neuromuscular ultrasound allows to detect possible structural abnormalities, such as thickened or hypertrophied anatomic structures, thickened proximal tendinous edge of the supinator muscle (arcade of Frohse), thickened leading edge of the extensor carpi radialis brevis muscle, and distal ligamentous margin of the supinator muscle, that may predispose to entrapment of the nerve .…”

Section: Radial Neuropathymentioning

confidence: 99%

Nerve Ultrasound in Peripheral Neuropathies: A Review

Kerasnoudis

Tsivgoulis

2015

Journal of Neuroimaging

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Peripheral neuropathies are one of the most common reasons for seeking neurological care in everyday practice. Electrophysiological studies remain fundamental for the diagnosis and etiological classification of peripheral nerve impairment. The recent technological development though of high resolution ultrasound has allowed the clinician to obtain detailed structural images of peripheral nerves. Nerve ultrasound mainly focuses on the evaluation of the cross sectional area, cross sectional area variability along the anatomical course, echogenity, vascularity and mobility of the peripheral nerves. An increase of the cross sectional area, hypervascularity, disturbed fascicular echostructure and reduced nerve mobility are some of the most common findings of entrapments neuropathies, such as the carpal or cubital tunnel syndrome. Both the cross-sectional area increase and the hypervascularity detected with the Doppler technique seem to correlate significantly with the clinical and electrophysiological severity of the later mononeuropathies. Significantly greater cross sectional area values of the clinically affected cervical nerve root are often detected in cases of cervical radiculopathy. In such cases, the ultrasound findings seem also to correlate significantly with disease duration. On the other hand, multifocal cross sectional area enlargement of cervical roots and/or peripheral nerves is often documented in cases of immune-mediated neuropathies. None of the later pathological ultrasound findings seem to correlate significantly with the electrophysiological parameters or the functional disability. The aim of this review is to provide a timely update on the role of neuromuscular ultrasound in the diagnostic of the most common entrapment and immune-mediated peripheral neuropathies in clinical practice.

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Section: Radial Neuropathymentioning

confidence: 99%

Nerve Ultrasound in Peripheral Neuropathies: A Review

Kerasnoudis

Tsivgoulis

2015

Journal of Neuroimaging

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“…It can have various etiologies. Most commonly, repetitive overuse of the forearm (repetitive pronation-supination or flexion-extension) can cause a radial nerve injury in this region [ 34 ]. This is common to athletes (tennis players).…”

Section: Radial Nervementioning

confidence: 99%

“…Other causes are space-occupying lesions (such as tumor/ganglion/bicipitoradial bursitis), prominent recurrent radial vessels, fascial band of the radial head, and systemic diseases such as diabetes, rheumatoid arthritis, polyarteritis, neuralgic amyotrophy, chronic hypoperfusion, and postsystemic illness angioneuropathy [ 35 ]. Clinical manifestation of the PIN syndrome varies depending on the level of nerve compression and the affected nerve fibers [ 34 ]. Compression of the deep branch of the radial nerve mostly causes painless palsy of the extensor muscles of the forearm.…”

Section: Radial Nervementioning

confidence: 99%

Ultrasonography for nerve compression syndromes of the upper extremity

et al. 2015

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Nerve compression syndromes commonly involve the nerves in the upper extremity. High-resolution ultrasonography (US) can satisfactorily assess these nerves and may detect the morphological changes of the nerves. US can also reveal the causes of nerve compression when structural abnormalities or space-occupying lesions are present. The most common US finding of compression neuropathy is nerve swelling proximal to the compression site. This article reviews the normal anatomic location and US appearances of the median, ulnar, and radial nerves. Common nerve compression syndromes in the upper extremity and their US findings are also reviewed.

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“…However, most of these studies investigated the median and ulnar nerves [ 9 , 11 , 12 , 16 , 17 ], and seldom used ultrasonography to diagnose radial neuropathy. That is, except for several studies describing trauma or cyst(s) that examined the causes of radial neuropathy [ 7 , 18 - 20 ].…”

Section: Discussionmentioning

confidence: 99%

Investigation of the Diagnostic Value of Ultrasonography for Radial Neuropathy Located at the Spiral Groove

et al. 2018

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ObjectiveTo determine a diagnostic cut-off value for the cross-sectional area (CSA) of the radial nerve using ultrasonography for radial neuropathy located at the spiral groove (SG).MethodsSeventeen patients with electrodiagnostic evidence of radial neuropathy at the SG and 30 healthy controls underwent ultrasonography of the radial nerve at the SG . The CSAs at the SG were compared in the patient and control groups. The CSA at the SG between the symptomatic and asymptomatic sides (ΔSx–Asx and Sx/Asx, respectively) were analyzed to obtain the optimal cut-off value. The relationship between the electrophysiological severity of radial neuropathy and CSA was also evaluated.ResultsAmong the variables examined, there were statistically significant differences in the CSA between the patient and control groups, ΔSx–Asx, and Sx/Asx at the SG. In a receiver operating characteristics analysis, the cut-off CSA was 5.75 mm2 at the SG (sensitivity 52.9%, specificity 90%), 1.75 mm2 for ΔSx–Asx (sensitivity 58.8%, specificity 100%), and 1.22 mm2 for Sx/Asx (sensitivity 70.6%, specificity 93.3%) in diagnosing radial neuropathy at the SG. There was no significant correlation between CSA and electrophysiological severity score for either patient group.ConclusionThe reference value obtained for CSA of the radial nerve at the SG may facilitate investigation of radial nerve pathologies at the SG.

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Sonographic Diagnosis Of Posterior Interosseous Nerve Entrapment Syndrome

Cited by 10 publications

References 7 publications

Nerve Ultrasound in Peripheral Neuropathies: A Review

Nerve Ultrasound in Peripheral Neuropathies: A Review

Ultrasonography for nerve compression syndromes of the upper extremity

Investigation of the Diagnostic Value of Ultrasonography for Radial Neuropathy Located at the Spiral Groove

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